/**
 * 
 */
package com.tx.think;

/**
 * 
 * @author wanghy
 * @since 2014-1-15
 * 
 */
public class Music {

	public static void tune(Instrument i) {
		i.play(Note.MIDDLE_C);
	}
	
	public static void main(String[] args) {
		Wind flute = new Wind();
		tune(flute);
	}
}
